headaches by rcl

1

From the header -- #ifndef _MOUNTAIN_H #define _MOUNTAIN_H #include <iostream> using namespace std;          class Mountain { public:         Mountain();         Mountain(const Mountain&);         ~Mountain();                  void set(const char *);                  char *country;         int height; };                                #endif From the implementation -- // copy constructor Mountain::Mountain(const Mountain &m) {               this->country = NULL;         height = -1;                  if(m.country)         {                 cout << "m.country is " << m.country << " strlen of m.country is " << strlen(m.country) << endl;                 cout.flush();                 this->country = new char [14]; // strlen(m.country) + 1]; //              strcpy(country, m.country);         }         height = m.height; } Another function from the implementation -- void Mountain::set(const char *s) {         char *token2;         int token2len;                  char *p; // temp pointer to help us traverse our string                  // this is meant to accept a null terminated string with a mountain in the format --         // Finger Rock#United States#6475         // We need to parse this and ignore the first field, and make sure we get the 2nd and 3rd into the         // appropriate places                  if(country)         {                 // clear out memory if we have already allocated some                 delete [] country;                 country = NULL;         }         if(s)         {                 if((p = strstr(s, "#")) != NULL) // if NULL then malformed, no first field                 {                         // otherwise we are pointing to the first #...                         p++; // advance to the first character of the 2nd field                         if((token2 = strstr(p, "#")) != NULL)                         {                                 token2++; // advance to the actual field                                 if(token2)                                 {                                         // if not null then we have a second field so lets get it                                         // token1len is now the address of the #, doing subtraction we can figure out the length                                         // of the actual string                                         token2len = int(token2) - int(p); // !!!!!!! notice here that I am doing the same type of thing !!!!!                                         country = new char [token2len]; // !!!!!!! notice here that I am doing the same type of thing !!!!!                                         snprintf(country, token2len, "%s", p);//token2); // copy only as much of the string as we want from offset p into the country string                                         cout << "country = " << country << " ";                                 }                         }                         p = token2; // p now points to the first character of token3                         if(p) // if p is not null then we have a string here, lets turn it into the height                         {                                 height = atoi(p);                                 cout << "height (int) is - " << height << " ";                         }                 }         } } From the debugger -- % gdb ./main GNU gdb 6.0 Copyright 2003 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB.  Type "show warranty" for details. This GDB was configured as "i586-pc-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1". (gdb) run Starting program: /home/rcl/cs310/proj2/main warning: Unable to find dynamic linker breakpoint function. GDB will be unable to debug shared library initializers and track explicitly loaded dynamic code. In loop, parsing Granite Peak#United States#12799 -- key = Granite Peak country = United States height (int) is - 12799 m.country is United States strlen of m.country is 13 Granite Peak